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authorGustavo A. R. Silva <garsilva@embeddedor.com>2017-06-23 17:01:20 -0500
committerJuergen Gross <jgross@suse.com>2017-07-03 13:24:17 +0200
commitbf1b9ddf181d29ec91f87d9c52bcb551ccf04157 (patch)
treef731ff5c6982f086f30c29787ce7589445ec66f2 /arch/x86/xen/setup.c
parenta5d5f328b0e2baa5ee7c119fd66324eb79eeeb66 (diff)
x86: xen: remove unnecessary variable in xen_foreach_remap_area()
Remove unnecessary variable mfn in function xen_foreach_remap_area() and, refactor the code. Variable mfn at line 518:mfn = xen_remap_buf.mfns[i]; is only being used to store a value to be passed as an argument to the xen_update_mem_tables() function. This value can be passed directly, which makes variable mfn unnecessary. Also, value assigned to variable mfn at line 534:mfn = xen_remap_mfn; is never used. Addresses-Coverity-ID: 1260110 Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> Reviewed-by: Juergen Gross <jgross@suse.com> Signed-off-by: Juergen Gross <jgross@suse.com>
Diffstat (limited to 'arch/x86/xen/setup.c')
-rw-r--r--arch/x86/xen/setup.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index a5bf7c451435..c81046323ebc 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -499,7 +499,7 @@ static unsigned long __init xen_foreach_remap_area(unsigned long nr_pages,
void __init xen_remap_memory(void)
{
unsigned long buf = (unsigned long)&xen_remap_buf;
- unsigned long mfn_save, mfn, pfn;
+ unsigned long mfn_save, pfn;
unsigned long remapped = 0;
unsigned int i;
unsigned long pfn_s = ~0UL;
@@ -515,8 +515,7 @@ void __init xen_remap_memory(void)
pfn = xen_remap_buf.target_pfn;
for (i = 0; i < xen_remap_buf.size; i++) {
- mfn = xen_remap_buf.mfns[i];
- xen_update_mem_tables(pfn, mfn);
+ xen_update_mem_tables(pfn, xen_remap_buf.mfns[i]);
remapped++;
pfn++;
}
@@ -530,8 +529,6 @@ void __init xen_remap_memory(void)
pfn_s = xen_remap_buf.target_pfn;
len = xen_remap_buf.size;
}
-
- mfn = xen_remap_mfn;
xen_remap_mfn = xen_remap_buf.next_area_mfn;
}